From: Cyril Hrubis <chrubis@suse.cz>
To: Petr Vorel <pvorel@suse.cz>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH] syscalls/execve06: Add test for argv[0] = NULL
Date: Tue, 14 Jun 2022 14:17:29 +0200 [thread overview]
Message-ID: <Yqh8WQ15goPaFgew@yuki> (raw)
In-Reply-To: <YqdA2P+NCeGKdB5q@pevik>
Hi!
> > in order to fix all potential CVEs where userspace programs attempt to
> > blindly process the argv[] list starting at argv[1]. There was at least
> > one example of this caught in the wild CVE-2021-4034 in polkit but there
> > are likely more.
>
> Great, thanks for addressing this.
>
> > Fixes: #911
>
> > testcases/kernel/syscalls/execve/.gitignore | 2 +
> > testcases/kernel/syscalls/execve/execve06.c | 49 +++++++++++++++++++
> > .../kernel/syscalls/execve/execve06_child.c | 27 ++++++++++
> > 3 files changed, 78 insertions(+)
> > create mode 100644 testcases/kernel/syscalls/execve/execve06.c
> > create mode 100644 testcases/kernel/syscalls/execve/execve06_child.c
>
> This should go to runtest/syscalls and runtest/cve, right?
> (can be fixed before merge).
Sigh, sorry, I did forget about these.
--
Cyril Hrubis
chrubis@suse.cz
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2022-06-14 12:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-13 12:51 [LTP] [PATCH] syscalls/execve06: Add test for argv[0] = NULL Cyril Hrubis
2022-06-13 13:51 ` Petr Vorel
2022-06-14 12:17 ` Cyril Hrubis [this message]
2022-06-13 14:31 ` Petr Vorel
2022-06-14 13:04 ` Cyril Hrubis
2022-06-14 13:34 ` Petr Vorel
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